package com.guangxia.test;

import java.util.Scanner;

public class phone {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入手机号：");
        String telString=sc.nextLine();
        String start=telString.substring(0,3);
        String end=telString.substring(7);
        System.out.println(start+"****"+end);

    }
}
